很好用的移动端左右滑动导航特效


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        .clearfix{*zoom:1;}
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        .htit{line-height:1rem;padding:0 .3rem;color:#ff8e2e;font-size: .4rem;margin:1rem 0 .4rem 0}
        .wrapper01 {position:relative;height: 1rem;width: 100%;overflow: hidden;margin:0 auto;border-bottom:1px solid #ccc}
        .wrapper01 .scroller {position:absolute}
        .wrapper01 .scroller li {height: 1rem;color:#333;float: left;line-height: 1rem;font-size: .4rem;text-align: center}
        .wrapper01 .scroller li a{color:#333;display:block;margin:0 .3rem}
        .wrapper01 .scroller li.cur a{color:#1cbb9b;}

        .wrapper02 {position:relative;height: 1rem;width: 100%;overflow: hidden;margin:0 auto;background:#ddd}
        .wrapper02 .scroller {position:absolute}
        .wrapper02 .scroller li {height: 1rem;color:#333;float: left;line-height: 1rem;font-size: .4rem;text-align: center}
        .wrapper02 .scroller li a{color:#333;display:block;margin:0 .3rem}
        .wrapper02 .scroller li.cur{background:#1cbb9b}
        .wrapper02 .scroller li.cur a{color:#fff;}

        .wrapper03 {position:relative;height: 1rem;width: 100%;overflow: hidden;margin:0 auto;border-bottom:1px solid #ccc}
        .wrapper03 .scroller {position:absolute}
        .wrapper03 .scroller li {height: 1rem;color:#333;float: left;line-height: 1rem;font-size: .4rem;text-align: center}
        .wrapper03 .scroller li a{color:#333;display:block;margin:0 .3rem;padding:0 .1rem}
        .wrapper03 .scroller li.cur a{color:#1cbb9b;height:.9rem;border-bottom:.1rem solid #1cbb9b}

        .wrapper04 {position:relative;height: 1rem;width: 80%;overflow: hidden;margin:0 auto;background:#ddd}
        .wrapper04 .scroller {position:absolute}
        .wrapper04 .scroller li {height: 1rem;color:#333;float: left;line-height: 1rem;font-size: .4rem;text-align: center}
        .wrapper04 .scroller li a{color:#333;display:block;margin:0 .3rem}
        .wrapper04 .scroller li.cur{background:#1cbb9b}
        .wrapper04 .scroller li.cur a{color:#fff;}

    </style>
</head>
<body style="font-size: 12px;">
<h2 class="htit">demo示例一</h2>
<div class="wrapper wrapper01" id="retr">
    <div class="scroller">
        <ul class="clearfix">
            <li class="cur"><a href="javascript:void(0)">全部科目</a></li>
            <li><a href="javascript:void(0)">会计从业</a></li>
            <li><a href="javascript:void(0)">会计职称</a></li>
            <li><a href="javascript:void(0)">注会</a></li>
            <li><a href="javascript:void(0)">税务师</a></li>
            <li><a href="javascript:void(0)">国际证书</a></li>
            <li><a href="javascript:void(0)">更多</a></li>
            <li><a href="javascript:void(0)">更多注会</a></li>
            <li><a href="javascript:void(0)">国际证2</a></li>
            <li><a href="javascript:void(0)">更多4</a></li>
            <li><a href="javascript:void(0)">更多5</a></li>
        </ul>
    </div>
</div>

<h2 class="htit">demo示例二</h2>
<div class="wrapper wrapper02" id="wrapper02">
    <div class="scroller">
        <ul class="clearfix">
            <li class="cur"><a href="javascript:void(0)">全部科目</a></li>
            <li><a href="javascript:void(0)">会计从业</a></li>
            <li><a href="javascript:void(0)">会计职称</a></li>
            <li><a href="javascript:void(0)">注会</a></li>
            <li><a href="javascript:void(0)">税务师</a></li>
            <li><a href="javascript:void(0)">国际证书</a></li>
            <li><a href="javascript:void(0)">更多</a></li>
            <li><a href="javascript:void(0)">更多注会</a></li>
            <li><a href="javascript:void(0)">国际证书2</a></li>
            <li><a href="javascript:void(0)">更多4</a></li>
            <li><a href="javascript:void(0)">更多5</a></li>
        </ul>
    </div>
</div>
<h2 class="htit">demo示例三</h2>
<div class="wrapper wrapper03" id="wrapper03">
    <div class="scroller">
        <ul class="clearfix">
            <li class="cur"><a href="javascript:void(0)">全部科目</a></li>
            <li><a href="javascript:void(0)">会计从业</a></li>
            <li><a href="javascript:void(0)">会计职称</a></li>
            <li><a href="javascript:void(0)">注会</a></li>
            <li><a href="javascript:void(0)">税务师</a></li>
            <li><a href="javascript:void(0)">国际证书</a></li>
            <li><a href="javascript:void(0)">更多</a></li>
            <li><a href="javascript:void(0)">更多注会</a></li>
            <li><a href="javascript:void(0)">国际证书2</a></li>
            <li><a href="javascript:void(0)">更多4</a></li>
            <li><a href="javascript:void(0)">更多5</a></li>
        </ul>
    </div>
</div>
<h2 class="htit">demo示例四</h2>
<div class="wrapper wrapper04" id="sass">
    <div class="scroller">
        <ul class="clearfix">
            <li class="cur"><a href="javascript:void(0)">全部科目</a></li>
            <li><a href="javascript:void(0)">会计从业</a></li>
            <li><a href="javascript:void(0)">会计职称</a></li>
            <li><a href="javascript:void(0)">注会</a></li>
            <li><a href="javascript:void(0)">税务师</a></li>
            <li><a href="javascript:void(0)">国际证书</a></li>
            <li><a href="javascript:void(0)">更多</a></li>
            <li><a href="javascript:void(0)">更多注会</a></li>
            <li><a href="javascript:void(0)">国际证书2</a></li>
            <li><a href="javascript:void(0)">更多4</a></li>
            <li><a href="javascript:void(0)">更多5</a></li>
        </ul>
    </div>
</div>

<h2 class="htit">demo示例五</h2>
<div class="wrapper02" id="demo05">
    <div class="scroller">
        <ul class="clearfix">
            <li><a href="javascript:void(0)">全部科目</a></li>
            <li><a href="javascript:void(0)">会计从业</a></li>
            <li><a href="javascript:void(0)">会计职称</a></li>
            <li><a href="javascript:void(0)">注会</a></li>
            <li><a href="javascript:void(0)">税务师</a></li>
            <li><a href="javascript:void(0)">国际证书</a></li>
            <li class="cur"><a href="javascript:void(0)">更多</a></li>
            <li><a href="javascript:void(0)">更多注会</a></li>
            <li><a href="javascript:void(0)">国际证书2</a></li>
            <li><a href="javascript:void(0)">更多4</a></li>
            <li><a href="javascript:void(0)">更多5</a></li>
        </ul>
    </div>
</div>

<h2 class="htit">demo示例六</h2>
<div class="wrapper02" id="demo06">
    <div class="scroller">
        <ul class="clearfix">
            <li><a href="javascript:void(0)">北京</a></li>
            <li><a href="javascript:void(0)">上海</a></li>
            <li><a href="javascript:void(0)">广州</a></li>
            <li class="cur"><a href="javascript:void(0)">深证</a></li>
            <li><a href="javascript:void(0)">杭州</a></li>
            <li><a href="javascript:void(0)">武汉</a></li>
            <li><a href="javascript:void(0)">天津</a></li>
            <li><a href="javascript:void(0)">郑州</a></li>
            <li><a href="javascript:void(0)">海口</a></li>
            <li><a href="javascript:void(0)">郑州</a></li>
            <li><a href="javascript:void(0)">长春</a></li>
            <li><a href="javascript:void(0)">长沙</a></li>
            <li><a href="javascript:void(0)">南京</a></li>
            <li><a href="javascript:void(0)">西安</a></li>
        </ul>
    </div>
</div>

<div style="padding:1rem .4rem;line-height:.6rem;font-size:.34rem">
        参数说明:<br>
        className:'cur', //当前选中点击元素的class类名<br>
        clickScrollTime:300, //点击后滑动时间<br>
        duibiScreenWidth:0.4, //单位以rem为准,默认为0.4rem<br>
        fingerClick:0, //目标第0或1个选项触发,必须每一项长度一致,方可用此项<br>
        endClickScroll:function(thisObj){}//回调函数<br>
</div>

<script type="text/javascript" src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript" src="https://cdn.bootcss.com/iScroll/5.2.0/iscroll.min.js"></script>
<script type="text/javascript" src="js/navbarscroll.js"></script>
<script type="text/javascript">
    $(function(){
        //demo示例一到四 通过lass调取,一句可以搞定,用于页面中可能有多个导航的情况
        $('.wrapper').navbarscroll();

        //demo示例五 通过id调取
        $('#demo05').navbarscroll({
            defaultSelect:6,
            endClickScroll:function(obj){
                console.log(obj.text())
            }
        });
        //demo示例六 通过id调取
        $('#demo06').navbarscroll({
            defaultSelect:3,
            scrollerWidth:6,
            fingerClick:1,
            endClickScroll:function(obj){
                console.log(obj.text())
            }
        });
    });
</script>

</body>
</html>
navbarscroll.js文件:
/*
 * 移动端模拟导航可点击自动滑动 0.1.4
 * Date: 2017-01-11
 * by: xiewei
 * 导航可左右滑动,可点击边缘的一个,自动滚动下一个到可视范围【依赖于iscroll.js】
 */
(function ($) {
    $.fn.navbarscroll = function (options) {
        //各种属性、参数
        var _defaults = {
            className:'cur', //当前选中点击元素的class类名
            clickScrollTime:300, //点击后滑动时间
            duibiScreenWidth:0.4, //单位以rem为准,默认为0.4rem
            scrollerWidth:3, //单位以px为准,默认为3,[仅用于特殊情况:外层宽度因为小数点造成的不精准情况]
            defaultSelect:0, //初始选中第n个,默认第0个
            fingerClick:0, //目标第0或1个选项触发,必须每一项长度一致,方可用此项
            endClickScroll:function(thisObj){}//回调函数
        }
        var _opt = $.extend(_defaults, options);
        this.each(function () {
            //插件实现代码
            var _wrapper = $(this);
            var _win = $(window);
            var _win_width = _win.width(),_wrapper_width = _wrapper.width(),_wrapper_off_left = _wrapper.offset().left;
            var _wrapper_off_right=_win_width-_wrapper_off_left-_wrapper_width;
            var _obj_scroller = _wrapper.children('.scroller');
            var _obj_ul = _obj_scroller.children('ul');
            var _obj_li = _obj_ul.children('li');
            var _scroller_w = 0;
            _obj_li.css({"margin-left":"0","margin-right":"0"});
            for (var i = 0; i < _obj_li.length; i++) {
                _scroller_w += _obj_li[i].offsetWidth;
            }
            _obj_scroller.width(_scroller_w+_opt.scrollerWidth);
            var myScroll = new IScroll('#'+_wrapper.attr('id'), {
                eventPassthrough: true,
                scrollX: true,
                scrollY: false,
                preventDefault: false
            });
            _init(_obj_li.eq(_opt.defaultSelect));
            _obj_li.click(function(){
                _init($(this));
            });
            //解决PC端谷歌浏览器模拟的手机屏幕出现莫名的卡顿现象,滑动时禁止默认事件(2017-01-11)
            _wrapper[0].addEventListener('touchmove',function (e){e.preventDefault();},false);
            function _init(thiObj){
                var $this_obj=thiObj;
                var duibi=_opt.duibiScreenWidth*_win_width/10,this_index=$this_obj.index(),this_off_left=$this_obj.offset().left,this_pos_left=$this_obj.position().left,this_width=$this_obj.width(),this_prev_width=$this_obj.prev('li').width(),this_next_width=$this_obj.next('li').width();
                var this_off_right=_win_width-this_off_left-this_width;
                if(_scroller_w+2>_wrapper_width){
                    if(_opt.fingerClick==1){
                        if(this_index==1){
                            myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
                        }else if(this_index==0){
                            myScroll.scrollTo(-this_pos_left,0, _opt.clickScrollTime);
                        }else if(this_index==_obj_li.length-2){
                            myScroll.scrollBy(this_off_right-_wrapper_off_right-this_width,0, _opt.clickScrollTime);
                        }else if(this_index==_obj_li.length-1){
                            myScroll.scrollBy(this_off_right-_wrapper_off_right,0, _opt.clickScrollTime);
                        }else{
                            if(this_off_left-_wrapper_off_left-(this_width*_opt.fingerClick)<duibi){
                                myScroll.scrollTo(-this_pos_left+this_prev_width+(this_width*_opt.fingerClick),0, _opt.clickScrollTime);
                            }else if(this_off_right-_wrapper_off_right-(this_width*_opt.fingerClick)<duibi){
                                myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right-(this_width*_opt.fingerClick),0, _opt.clickScrollTime);
                            }
                        }
                    }else{
                        if(this_index==1){
                            myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
                        }else if(this_index==_obj_li.length-1){
                            if(this_off_right-_wrapper_off_right>1||this_off_right-_wrapper_off_right<-1){
                                myScroll.scrollBy(this_off_right-_wrapper_off_right,0, _opt.clickScrollTime);
                            }
                        }else{
                            if(this_off_left-_wrapper_off_left<duibi){
                                myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
                            }else if(this_off_right-_wrapper_off_right<duibi){
                                myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right,0, _opt.clickScrollTime);
                            }
                        }
                    }
                }
                $this_obj.addClass(_opt.className).siblings('li').removeClass(_opt.className);
                _opt.endClickScroll.call(this,$this_obj);
            }
        });
    };
})(jQuery);



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